package com.teach.servlet;

import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;

/**
 * <pre>
 * -
 * Author : J.L.Zhou
 * E-Mail : 2233875735@qq.com
 * Tel : 151 1104 7708
 * Date : 2022-05-11 10:37
 * Version : 1.0
 * Copyright 2022 jlzhou.top Inc. All rights reserved.
 * Warning: this content is only for internal circulation of the company.
 *          It is forbidden to divulge it or use it for other commercial purposes.
 * </pre>
 **/
@WebServlet("/logout.let")
public class LogoutServlet extends HttpServlet {

  @Override
  protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
//    req.getSession().removeAttribute("auth");//移除属性
    req.getSession().invalidate();//注销会话
//    req.getSession().setMaxInactiveInterval(30);//设置会话的超时事件,单位:分钟,web.xml中可以全局设置
    resp.sendRedirect(req.getContextPath()+"/login.html");
  }
}
